Mineral Processing Laboratory Equipment From the BEST . The Spiral Classifier offers the greatest sand raking capacity of any classifier available. . The extra heavy shaft has an improved submerged bearing. . The accuracy of the patterns and the quality gear castings result in a cast-tooth . How to Select, Size & Install.

Mineral Processing Laboratory Equipment From the BEST . The Spiral Classifier offers the greatest sand raking capacity of any classifier available. . The extra heavy shaft has an improved submerged bearing. . The accuracy of the patterns and the quality gear castings result in a cast-tooth . How to Select, Size & Install.

In the field of extractive metallurgy, mineral processing, also known as ore dressing, is the . Before the advent of heavy machinery the raw ore was broken up using . a classifier unit, are generally employed for grinding purposes in a mineral .. Of the gravity separation processes, the spiral concentrators and circular jigs.